Molar Mass of NaOCl (Sodium Hypochlorite)
Molar Mass Calculator
What is the molar mass of NaOCl?
Answer
M(NaOCl) ≈
74.44 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Cl: 35.45.
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Nasodium | 1 | 22.990 | 22.990 w ≈ 30.88% | ≈ 30.88% |
| Ooxygen | 1 | 15.999 | 15.999 w ≈ 21.49% | ≈ 21.49% |
| Clchlorine | 1 | 35.45 | 35.45 w ≈ 47.62% | ≈ 47.62% |
| Σ = 74.439 ≈ 74.44 g/mol w = 100% | 100% | |||
Each fraction is rounded on its own, so the printed ones add up to 99.99%; unrounded, they make exactly 100%.
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Cl 47.62%
Na 30.88%O 21.49%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| C₃H₆O₂ (propionic acid) | 74.079 |
| Ca(OH)₂ (calcium hydroxide) | 74.092 |
| CH₃CH₂OCH₂CH₃ (diethyl ether) | 74.123 |
| NaOCl (sodium hypochlorite) | 74.44 |
| KCl (potassium chloride) | 74.55 |
| NiO (nickel(II) oxide) | 74.692 |
| As (arsenic) | 74.922 |